National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Riverton Regional Airport (KRIW)

Lat: 43.06219°NLon: 108.44701°WElev: 5443.0ft.

Clear

34°F

1°C

Humidity 58%
Wind Speed WNW 13 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 14 Apr 06:53 AM MDT
Extended Forecast for

Riverton WY

  • Today

    Today: Sunny, with a high near 62. West wind around 6 mph becoming calm.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. Blustery, with a west northwest wind 6 to 16 mph, with gusts as high as 24 mph.

    Low: 30 °F

    Mostly Clear
    and Blustery

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. Breezy, with a southwest wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 66 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Isolated showers after midnight. Partly cloudy, with a low around 41. Breezy, with a south southwest wind 17 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Breezy.
    Mostly Cloudy
    then Isolated
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 63. Windy, with a south southwest wind 17 to 25 mph becoming northwest in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 60%.

    High: 63 °F

    Scattered
    Showers and
    Breezy then
    Showers
    Likely and
    Windy

  • Thursday Night

    Thursday Night: Rain and snow showers, becoming all snow after 9pm. Low around 24. Blustery, with a north wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    Low: 24 °F

    Blustery.
    Rain/Snow
    then Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly before noon. Mostly cloudy, with a high near 39. North wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 39 °F

    Snow Showers
    Likely then
    Scattered
    Snow Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 62. West wind around 6 mph becoming calm.
Tonight
Mostly clear, with a low around 30. Blustery, with a west northwest wind 6 to 16 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 66. Breezy, with a southwest wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.
Wednesday Night
Isolated showers after midnight. Partly cloudy, with a low around 41. Breezy, with a south southwest wind 17 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Thursday
Showers likely, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 63. Windy, with a south southwest wind 17 to 25 mph becoming northwest in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 60%.
Thursday Night
Rain and snow showers, becoming all snow after 9pm. Low around 24. Blustery, with a north wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Friday
Snow showers likely, mainly before noon. Mostly cloudy, with a high near 39. North wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 17.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 72. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.04°N 108.41°W (Elev. 5046 ft)
Last Update:
6:32 am MDT Apr 14, 2026
Forecast Valid:
7am MDT Apr 14, 2026-6pm MDT Apr 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation